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Convertible Senior Notes (Schedule of Interest) (Details) - Convertible debt - 2025 Notes - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 25, 2022
Dec. 26, 2021
Debt instrument [Line Items]      
Coupon interest $ 5,242 $ 8,080 $ 11,500
Debt issuance cost amortization 798 1,156 1,557
Total interest expense [1] $ 6,040 $ 9,236 $ 13,057
Debt instrument, effective interest rate 5.85%    
[1] The effective rate of the 2025 Notes over their expected life is 5.85%.